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Import hangs

This is a discussion on Import hangs within the Oracle Database forums, part of the Database Server Software category; --> I've just installed Oracle 9.2 on a W2k machine. I'm playing around with importing data from a full export ...


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  #1 (permalink)  
Old 02-22-2008, 06:41 PM
Walt
 
Posts: n/a
Default Import hangs


I've just installed Oracle 9.2 on a W2k machine. I'm playing around
with importing data from a full export of a 8.1.6 / Win NT instance.

Import hangs in various situations - is this normal? It doesn't do it
all the time, but it does it aften enough to cause concern. When it
hangs, you can't create any new connections, although sometimes
currently connected users can still access data. The only way to get it
back is to restart the database.

I wish I could provide more specific details, but the onset seems to be
random at this point.

I understand that import will throw errors (I can catch them in the
logfile and puzzle out what the problem is), but this behavior is
frustrating in that there's no error code or anything to go on.

Have other users experineced this?

--
//-Walt
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  #2 (permalink)  
Old 02-22-2008, 06:42 PM
Anna C. Dent
 
Posts: n/a
Default Re: Import hangs

Walt wrote:

> I've just installed Oracle 9.2 on a W2k machine. I'm playing around
> with importing data from a full export of a 8.1.6 / Win NT instance.
>
> Import hangs in various situations - is this normal? It doesn't do it
> all the time, but it does it aften enough to cause concern. When it
> hangs, you can't create any new connections, although sometimes
> currently connected users can still access data. The only way to get it
> back is to restart the database.
>
> I wish I could provide more specific details, but the onset seems to be
> random at this point.
>
> I understand that import will throw errors (I can catch them in the
> logfile and puzzle out what the problem is), but this behavior is
> frustrating in that there's no error code or anything to go on.
>
> Have other users experineced this?



What does the tail end of alert_SID.log contain?

I suspect the DB is in archive redo logfile mode
and either the archiver is not turned on or the
disk fills up.

Enable SQL_TRACE on the instance & see where all the
time is being spent.

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